package io.github.zhengyue.demo.config;

import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * <h3>springboot-shiro</h3>
 * <p></p>
 *
 * @author : zhengyue
 * @date : 2020-11-19 13:53
 **/
@Configuration
public class ShiroConfig {
    // ShiroFileterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager securityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        // 设置安全管理器
        bean.setSecurityManager(securityManager);

        // 添加Shiro的内置过滤器
        /**
         * anon：无需认证就可以访问
         * authc：必须认证了才能访问
         * user：必须拥有记住我功能才能用
         * perms：拥有对某个资源的权限才能访问；
         * role：拥有某个角色权限才能访问
         */
        Map<String, String> chainDefinitor = new LinkedHashMap<>();
        chainDefinitor.put("/user/*", "authc");
        bean.setFilterChainDefinitionMap(chainDefinitor);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        return bean;
    }

    //DefaultWebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        // 关联 UserRealm
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm对象，需要自定义
    @Bean
    public UserRealm userRealm() {
        return new UserRealm();
    }

}
